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Edimax EW-7811Un 150Mbps 11n Wi-Fi USB Adapter, Nano Size Lets You Plug it and Forget it, Ideal for Raspberry Pi / Pi2, Supports Windows, Mac OS, Linux (Black/Gold)

4.0 out of 5 stars 6,843 customer reviews
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N150
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  • Supports 150 Mbps 802.11n Wireless data rate - the latest wireless standard. Permits users to have the farthest range with the widest coverage. (Up to 6 times the speed and 3 times the coverage of 802.11b.).
  • Power Saving designed to support smart transmit power control and auto-idle state adjustment
  • Supports WMM (Wi-Fi Multimedia) Standard so that you can let different types of data have higher priority. It would allows better streaming of real-time data such as Video, Music, Skype etc
  • Includes multi-language EZmax setup wizard
  • Spec Standards IEEE 802.11n; backward compatible with 802.11b/g Wi-Fi Certified. Security 64/128 bit WEP Encryption and WPA-PSK, WPA2-PSK security; WPS compatible IEEE 802.1X
  • Port 1 x 2.0 USB Type A. Wireless Data Rates Up to 150 Mbps. Modulation OFDM: BPSK, QPSK, 16-QAM, 64-QAM, DSSS. Frequency Band 2.4GHz - 2.4835GHz. Antenna internal chip antenna
  • Channels (FCC) 2.4GHz : 1~11. Power Input USB Port (Self-Powered). Dimensions 0.28" x 0.59" x 0.73". Temperature 0 -40 degree C (32-104 degree F). Humidity 10 ~ 90% Non-Condensing. System XP/Vista/Win7, Mac, Linux
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Frequently Bought Together

  • Edimax EW-7811Un 150Mbps 11n Wi-Fi USB Adapter, Nano Size Lets You Plug it and Forget it, Ideal for Raspberry Pi / Pi2, Supports Windows, Mac OS, Linux (Black/Gold)
  • +
  • Raspberry Pi 3 Model B Motherboard
  • +
  • CanaKit 5V 2.5A Raspberry Pi 3 Power Supply / Adapter / Charger (UL Listed)
Total price: $53.98
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Product Description

Capacity: N150

EDIMAX EW-7811Un IEEE 802.11b/g/n Wireless Mini Nano Size USB Adapter, Up to 150Mbps Data Rates, with 16 languages EZmax setup wizard for easy installation.System Requirements: Windows 7/Vista/XP, Mac OS, Linux.

Product Information

Capacity:N150

Technical Details

Collapse all
Summary : Screen Size, Screen Resolution, Graphics Coprocessor, Graphics Card RAM
Wireless Type 802.11B, 802.11G, 802.11n
Brand Name Edimax
Item model number EW-7811Un
Operating System Linux, Windows XP, Windows Vista, Windows 7
Item Weight 1 ounces
Product Dimensions 5.5 x 3.5 x 0.7 inches
Item Dimensions L x W x H 5.5 x 3.5 x 0.7 inches
Color Black/gold
Processor Count 1
Computer Memory Type DDR3 SDRAM

Additional Information

ASIN B003MTTJOY
Customer Reviews
4.0 out of 5 stars 6,843 customer reviews

4.0 out of 5 stars
Best Sellers Rank #1 in Computers & Accessories > Networking Products > Network Adapters > Wi-Fi Dongles
#1 in Computers & Accessories > Networking Products > Network Adapters > Laptop Network Adapters
#9 in Electronics > Televisions & Video
Shipping Weight 1.6 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available December 3, 2010

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.

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From the Manufacturer

EW-7811Un EW-7722UTn V2 EW-7811UTC EW-7811UAC EW-7711MAC EW-7822UAC
Product Name N150 Nano Wi-Fi USB Adapter N300 Mini Wi-Fi USB Adapter AC600 Dual Band Mini Wi-Fi USB Adapter AC600 Dual Band High-Gain Wi-Fi USB Adapter AC450 Wi-Fi USB Adapter AC1200 Dual Band Wi-Fi USB Adapter
Max Wireless Speed 2.4GHz: 150Mbps 2.4GHz: 300Mbps 2.4GHz: 150Mbps 5GHz: 433Mbps 2.4GHz: 150Mbps 5GHz: 433Mbps 5GHz: 433Mbps 2.4GHz: 300Mbps 5GHz: 866Mbps
USB Version USB 2.0 USB 2.0 USB 2.0 USB 2.0 USB 2.0 USB 3.0
Dual Band - 2.4GHz only - 2.4GHz only - 5GHz only
WPS Button - -
Mini Nano Size - -
External Antenna - - - -

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: N150 Verified Purchase
I purchased this to add wireless connectivity to my Raspberry Pi running OpenELEC. My intention was to have the Pi sit in my second floor bedroom and stream media (movies and music mostly) from the HTPC running XBMC downstairs.

Upon plugging it in, I went to the settings screen in OpenELEC and entered in my wireless networking information. I rebooted for good measure and went to system information and found that it had no IP address. After verifying my wireless settings and rebooting once more, I still wasn't connected.

I tried a boatload of things, including installing RaspBian, RaspBMC, different versions of OpenELEC, various command line voodoo, disabling Wifi authentication, etc. None of this worked until I used a powered USB hub, and then it connected automagically. I was simultaneously relieved and frustrated when it worked. Relieved because it finally worked, frustrated because I spent so much time with it.

Now, several people have said that this doesn't need a powered hub for the Pi- which is actually why I bought it. My personal experience was that it did. I have seen things from other people about having to change their power supply to make Wifi adapters work on the pi - I didn't have another to use. Just keep that in mind that if you have trouble, try a powered USB hub before you tear your hair out.

With the Wifi now running properly, I took the Pi to my upstairs bedroom and set it up. I had previously verified that 1080p movies on the wired LAN ran without jitter or buffering. Playing with it on wireless, I found that I had to set my video streams to transcode to 1mbps 720p in order to stream without buffering. I was just happy that it was working, so I was OK with the quality drop.
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Size: N150 Verified Purchase
We've struggled in our home trying to find those isolated locations where our new little Toshiba Netbook (NB-305 model)would be able to make a decent connection to our Linksys wireless-G, 2.4GHz broadband router. Basically, if we didn't have a direct line of sight to the router we'd have signal trouble often resulting in disconnection from the internet. We just received and plugged this new Edimax into the USB port and within one minute found that we now have good reception (5 bars) from almost anywhere in our two story house. I even went outside down to the water's edge (30 ft from house) and still had full signal. Perhaps now my wife will join me fishing this summer if she's able to shop Amazon from the canoe while I fish! (Strike that -- it's probably not such a good idea.) Our netbook also gave us very limited usage in public venues such as coffee houses due to weak reception. We'd have to sit very close to the router to get a good signal. Looking forward to trying out the Edimax in some of these public facilities very soon.
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Size: N150 Verified Purchase
I was amazed at how tiny it is! About the width of my little finger pad and not longer than the first either! I used this for my mom's Sony internet TV , which was having trouble connecting to Netflix and the internet was running rather slow. As soon as I plugged it in, I went to internet settings and the thing picked up our WiFI from a different room immediately! Internet and Netflix 10 times faster than it was! Extremely happy with the delivery time too. I was originally told I would have to wait 'til April to get it; I received it 3/14! Awesome!
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Size: N150 Verified Purchase
I purchased this to use it with a desktop in the upstairs bedroom directly avove the room in which the router is placed.. We recently switched our service provider to and the connection speed of 50 Mbps. My laptop connects without any problems when in upstairs bedroom with its built-in wifi and the speed I get is about 22 Mbps, when I take it downstairs in the same room as the router it jumps from 22 to 30Mbps, (45 Mbps via ethernet).

I tried the Edimax with my laptop which has no problem connecting when downstairs but in the bedroom it keeps loosing the signal intermittently. My laptop has Windows 7 installed.

I tried it with my second laptop which is an IBM Thinkpad with Ubuntu 12.04 installed. The speed I was getting downstairs was 12 Mbps which I thought was not bad but upstairs the speed dropped to barely 2 Mbps and sometimes no signal

I decided to return it and selected another adapter TP-Link TL-WN722N which worked like a charm on all my machines.

If you will be using the unit in the same room as the router be it Linux or Windows, this will work for you but if the router and the unit are at a distance, particularly on different floors you will have issues.

The main reason for poor performance could be attributed to the unit being very tiny and the built-in antenna is not powerful enough for it to work at a fair distance from router particularly if there are walls and floors in the way.
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Size: N150 Verified Purchase
I have been using this about a week and no problems to speak of. When I installed it Win 7 claims to have installed it and it was ready to use before I even got the CD in but don't think it was really installed until I ran the installation which took no time and gave me no problems. My router is in a closed cabinet about 10 feet away from my computer and my signal strength is always over 90% and 'link quality' whatever that means is always 100%. When I reboot my computer or when it wakes up from hibernating I am instantly re-connected with no action needed on my part. A little window pops up letting me see the signal and settings options each time (I could probably disable this if I wanted). The user interface in my opinion is as detailed as it needs to be without being cumbersome. I let it show me a signal strength meter in the system tray but there are no unwanted 'extras' bundled with it that I can see. I was deciding between this and some more expensive adapters made by brands I recognize and some with bigger 'antennas' but glad I settled with this one because it is perfect for my needs.The tiny price and size are awesome. There is a little blue flashing light on it indicating that there is traffic going on but it is not so bright that it is annoying.

Also I used Speedtest to confirm that my network speed was unchanged from my wired connection. I get >20Mbps through Comcast and this adapter has no problem passing that on to my PC wirelessly.
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